Signature of Helimagnetic Ordering in Single-Crystal MnSi Nanowires

被引：69

作者：

Higgins, Jeremy M. ^{[1
]}

Ding, Ruihua ^{[1
]}

DeGrave, John P. ^{[1
]}

Jin, Song ^{[1
]}

机构：

[1] Univ Wisconsin, Dept Chem, Madison, WI 53706 USA

来源：

NANO LETTERS | 2010年 / 10卷 / 05期

关键词：

Manganese suicide; nanowires; helimagnetism; transition metal silicide; strongly correlated electron systems; CHROMIUM DISILICIDE NANOWIRES; SILICIDE NANOWIRES; SPONTANEOUS GROWTH; PHASE; SEMICONDUCTOR; TRANSPORT; MAGNETORESISTANCE; METAL;

D O I：

10.1021/nl904042m

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We report the synthesis, structural characterization, and magnetotransport of single-crystalline nanowires of manganese monosilicide, MnSi. Bulk MnSi has unusual magnetic orderings, helimagnetism, and skyrmions at ambient pressure, and high pressure studies have revealed partial magnetic ordering and non-Fermi liquid behavior. MnSi nanowires were synthesized using chemical vapor deposition of MnCl2 onto silicon substrates. The morphology, structure, and composition of these nanowires were analyzed using electron microscopy and X-ray spectroscopy. The low-temperature magnetoresistance characteristics of MnSi nanowires reveal the First signature of helimagnetism in one-dimensional nanomaterials.

引用

页码：1605 / 1610

页数：6

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[1] Semiconductor clusters, nanocrystals, and quantum dots [J].